◆ GARRISON, ND HAIL HISTORY · MCLEAN COUNTY
Garrison, ND hail history & hail map
Garrison, North Dakota has had 3 hail events in the past 5 years, with hail up to 2.50″ (Tennis Ball). Most recent: Jun 29, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
3Hail events in the past 5 years
2.50″Largest recorded hail · Tennis Ball
2.50″Largest ground report (within 3 mi)
1.75″Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Garrison, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Garrison
| Date | Peak hail | Sources |
|---|---|---|
| Jun 29, 2026 | 1.75″ Golf Ball | Radar 1.75″ |
| Jun 28, 2025 | 2.50″ Tennis Ball | Radar 1.25″ · 1 ground report (max 2.50″) |
| Jun 8, 2023 | 0.75″ Penny | Radar 0.75″ |
More North Dakota hail history
All North Dakota cities & hail days →
Events count days with NOAA MRMS radar hail over Garrison (47.770, -101.520) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.